linux 将子文件夹的文件复制到 当前目录中，如

目录结构大概是

-sh

|__ db_backup

|___ test

|____ 2018_01_01_00_00_00

|_____ 2018_01_01_00_00_00.sql.gz

|___ backup

cp.sh 文件中的shell脚本大概是:

#!/bin/shcd /home/waka/sh/db_backup/testcp $(find /home/waka/sh/db_backup/test/ -type f -name "*.sql.gz")  /home/waka/sh/db_backup/test/backup